1525113 has 6 divisors (see below), whose sum is σ = 2202954. Its totient is φ = 1016736.

The previous prime is 1525109. The next prime is 1525123. The reversal of 1525113 is 3115251.

1525113 is a `hidden beast` number, since 152 + 511 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1468944 + 56169 = 1212^2 + 237^2 .

It is not a de Polignac number, because 1525113 - 2² = 1525109 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1525123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84720 + ... + 84737.

It is an arithmetic number, because the mean of its divisors is an integer number (367159).

2^1525113 is an apocalyptic number.

It is an amenable number.

1525113 is a deficient number, since it is larger than the sum of its proper divisors (677841).

1525113 is a wasteful number, since it uses less digits than its factorization.

1525113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169463 (or 169460 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 1525113 is about 1234.9546550380. The cubic root of 1525113 is about 115.1067188308.

Adding to 1525113 its sum of digits (18), we get a triangular number (1525131 = T₁₇₄₆).

The spelling of 1525113 in words is "one million, five hundred twenty-five thousand, one hundred thirteen".